package hello;

public class Hello {
	public static void main(String args[]) {
		System.out.println("大家好！");
		System.out.println("Nice to meet you");
		Student stu = new Student();
		stu.speak("We are student");
	}

}

class Student{
	public void speak(String s) {
		System.out.println(s);
	}
	
}
